Privilege escalation in Litespeedtech Openlitespeed
CVE-2021-26758
Privilege Escalation in LiteSpeed Technologies OpenLiteSpeed web server version 1.7.8 allows attackers to gain root terminal access and execute commands on the host system.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.027 (85.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
- Litespeedtech Openlitespeed — versions 1.7.8
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/litespeedtech/openlitespeed/issues/217 (Exploit, Third Party Advisory)
- www.exploit-db.com/exploits/49556 (Exploit, VDB Entry, Third Party Advisory, exploit)
- docs.unsafe-inline.com/0day/openlitespeed-web-server-1.7.8-command-injection-to… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-26758?
- CVE-2021-26758 is a high-severity vulnerability in Litespeedtech Openlitespeed, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2021-04-07.
- How severe is CVE-2021-26758?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-26758 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.